Lenovo 7390 User Manual page 41

4. In some models, you will need to remove the PCI adapter in order to access the
battery.
5. Slide the drive bay assembly forward until the drive bay assembly is aligned
with the two slots on the sides of the chassis and remove the drive cables from
the system board. Then pivot the drive bay assembly upward to remove it
completely from the computer.
Chapter 3. Installing options
23